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Finding the Fourth Proportional to 571,744.54, 857,652.54 and 192,633.76

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Solution

The fourth proportional to 571,744.54, 857,652.54 and 192,633.76 is: 288,962.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,744.54 : 857,652.54 = 192,633.76 : x
  2. Step 2: Convert to fraction form
    571,744.54/857,652.54 = 192,633.76/x
  3. Step 3: Cross multiply
    571,744.54x = 857,652.54 × 192,633.76
  4. Step 4: Simplify right side
    571,744.54x = 165,212,833,553.75
  5. Step 5: Solve for x
    x = 165,212,833,553.75/571,744.54
  6. Step 6: Final answer
    x = 288,962.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.